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Tecumseh HS40-55390D 4-cycle engine Parts
Here are the diagrams and repair parts for Tecumseh HS40-55390D 4-cycle engine, as well as links to manuals and error code tables, if available.
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Browse Parts for HS40-55390D 4-Cycle Engine
Carburetor no. 631667 diagram
Float Bowl
Part #631867
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Screw
Part #28820
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Element
Part #31410
The manufacturer no longer makes this part, and there's no substitute part
Rewind starter no. 590420 diagram
Retainer
Part #590410
The manufacturer no longer makes this part, and there's no substitute part
Rewnd Startr
Part #590420
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Governor Gear Assembly
Part #30591
The manufacturer no longer makes this part, and there's no substitute part
Rewind starter no. 590420 diagram
Dog Sprng Rh
Part #590412
The manufacturer no longer makes this part, and there's no substitute part
Rewind starter no. 590420 diagram
Brake Spring
Part #590411
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Gasket
Part #27677
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Cap
Part #31673
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas line trimmers
Choose a symptom to see related grass line trimmer repairs.
Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…
Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…
Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…
Repair guides for gas line trimmers
These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.
How to replace a line trimmer fuel line
The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…
Repair time and Difficulty
15 minutes or less
How to replace a line trimmer carburetor
If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …
Repair time and Difficulty
15 minutes or less
How to rebuild a line trimmer carburetor
If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…
Repair time and Difficulty
15 minutes or less
Effective articles & videos to help repair your lawn & garden engines
Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn about the main parts of a lawn mower and when to replace parts.…
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